The first bundle patch for ODI 12c is now available:
ODI 12.1.2.0.1 has been released as Patch 17836908.
For details please refer to the Patch Note 456313.1 - Master Note For Oracle Data Integrator (ODI) And Legacy Sunopsis, Releases and Patches
To get the complete list of available Patches for 12.1.2 and fixed bugs see Note 1609048.1 - List of Patches Available for ODI 12.1.2.x .